a = input("输入：")
a1 = a[2:]
flag = 0
if a.startswith("0b"):
    patter_str = "01"
elif a.startswith("0o"):
    patter_str = "01234567"
elif a.startswith("0x"):
    patter_str = "0123456789abcdef"
elif a.isdigit():
    patter_str = "0123456789"
else:
    patter_str = "筏"
for i in a1:
    if i not in patter_str:
        flag = 1
        break
if flag == 0:
    print("是整形")
else:
    print("不是整形")



